var shell = WScript.CreateObject("WScript.Shell");

var exec = shell.Run("cmd /C php -f C:/wamp/www/demo/scripts/scripts/rss_grab_full_article.php  ", 0, false);
// exec.StdIn.Write("hello, world");
// exec.StdIn.Close();
//WScript.StdOut.Write(exec.StdOut.ReadAll());
